This bug was fixed in the package linux-aws - 5.0.0-1012.13

---------------
linux-aws (5.0.0-1012.13) disco; urgency=medium

  * add support for Amazon Graviton PCIe controller (LP: #1834962)
    - PCI: al: Add Amazon Annapurna Labs PCIe host controller driver
    - genirq/msi: Add a new field in msi_desc to store an IOMMU cookie
    - iommu/dma-iommu: Split iommu_dma_map_msi_msg() in two parts
    - irqchip/gicv2m: Don't map the MSI page in gicv2m_compose_msi_msg()
    - SAUCE: irqchip/gic: Add support for Amazon Graviton variant of 
GICv3+GICv2m
    - SAUCE: [aws] arm64: acpi/pci: invoke _DSM whether to preserve firmware PCI
      setup
    - [Config] aws: set CONFIG_IRQ_MSI_IOMMU=y

  * CVE-2019-1125
    - x86/cpufeatures: Carve out CQM features retrieval
    - x86/cpufeatures: Combine word 11 and 12 into a new scattered features word
    - x86/speculation: Prepare entry code for Spectre v1 swapgs mitigations
    - x86/speculation: Enable Spectre v1 swapgs mitigations
    - x86/entry/64: Use JMP instead of JMPQ
    - x86/speculation/swapgs: Exclude ATOMs from speculation through SWAPGS

  * linux-aws builds modules which are not shipped (LP: #1836706)
    - [Packaging] Start shipping modules-extra

 -- Kleber Sacilotto de Souza <kleber.so...@canonical.com>  Fri, 02 Aug
2019 12:32:10 +0200

** Changed in: linux-aws (Ubuntu Eoan)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1834962

Title:
  add support for Amazon Graviton PCIe controller

Status in linux-aws package in Ubuntu:
  Fix Released
Status in linux-aws source package in Bionic:
  Fix Released
Status in linux-aws source package in Cosmic:
  Invalid
Status in linux-aws source package in Disco:
  Fix Released
Status in linux-aws source package in Eoan:
  Fix Released
Status in linux-aws source package in FF-Series:
  New

Bug description:
  Three patches are needed to add support for Amazon / Annapurna Labs
  "Graviton" PCIe controller, which is required for future AWS instance
  types.

  The feature is to be enabled for Ubuntu kernels >= linux-aws-bionic.

  The first patch is from mainline; the other two are AWS specific
  quirks from Amazon Linux, not yet upstream.

  4166bfe530  PCI: al: Add Amazon Annapurna Labs PCIe host controller driver
  UBUNTU: SAUCE: [aws] irqchip/gic-v2m: invoke from gic-v3 initialization and 
add acpi quirk flow
  UBUNTU: SAUCE: [aws] arm64: acpi/pci: invoke _DSM whether to preserve 
firmware PCI setup

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